M4-0.7 x 30 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox MPB and a 1/4" hex washer

and a 1/4" hex washer head

They are made of zinc-plated steel for corrosion resistance and have a square pan head with a self-tapping thread

Measuring 6-19 x 3/4 inches

and construction projects where reliable fastening is required

M4-0.7 x 30 Metric Socket Head Cap Screw Class 12.9 ISO 4762 Black Ox MPB and a 1/4" hex washerThe M4 0. 7 x 30 Metric Socket Head Cap Screw Class 12. 9 ISO 4762 Black Ox is a high strength, corrosion resistant screw designed for use in demanding applications. It is made of alloy steel with a black oxide finish for added durability and resistance to wear and tear. The screw has a socket head design, which allows for easy installation and removal with a hex key. It meets the requirements of ISO 4762, ensuring high quality and reliability. With